From 5477c34707d6d59b4e7fd0a77c87183b59c37e52 Mon Sep 17 00:00:00 2001
From: Marc Fournier <marc.fournier@camptocamp.com>
Date: Tue, 6 Nov 2012 21:23:46 +0100
Subject: python::virtualenv - '--system-site-packages' option

New 'systempkgs' parameter will call virtualenv with the
'--system-site-packages' option, which can greatly speed up creation in
some cases.
---
 manifests/virtualenv.pp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'manifests')

diff --git a/manifests/virtualenv.pp b/manifests/virtualenv.pp
index f22f4e1..e286699 100644
--- a/manifests/virtualenv.pp
+++ b/manifests/virtualenv.pp
@@ -16,6 +16,9 @@
 # [*proxy*]
 #  Proxy server to use for outbound connections. Default: none
 #
+# [*systempkgs*]
+#  Copy system site-packages into virtualenv. Default: don't
+#
 # === Examples
 #
 # python::virtualenv { '/var/www/project1':
@@ -23,6 +26,7 @@
 #   version      => 'system',
 #   requirements => '/var/www/project1/requirements.txt',
 #   proxy        => 'http://proxy.domain.com:3128',
+#   systempkgs   => true,
 # }
 #
 # === Authors
@@ -33,7 +37,8 @@ define python::virtualenv (
   $ensure       = present,
   $version      = 'system',
   $requirements = false,
-  $proxy        = false
+  $proxy        = false,
+  $systempkgs   = false,
 ) {
 
   $venv_dir = $name
@@ -55,10 +60,15 @@ define python::virtualenv (
       default => "&& export http_proxy=${proxy}",
     }
 
+    $system_pkgs_flag = $systempkgs ? {
+      false    => '',
+      default  => '--system-site-packages',
+    }
+
     exec { "python_virtualenv_${venv_dir}":
       command => "mkdir -p ${venv_dir} \
         ${proxy_command} \
-        && virtualenv -p `which ${python}` ${venv_dir} \
+        && virtualenv -p `which ${python}` ${system_pkgs_flag} ${venv_dir} \
         && ${venv_dir}/bin/pip install ${proxy_flag} --upgrade distribute pip",
       creates => $venv_dir,
     }
-- 
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